refactor: split AnimeService into segregated interfaces

internal/domain/anime.go

@@ -18,16 +18,25 @@ type Statistics = jikan.Statistics
 type ThemesData = jikan.ThemesData
 type ReviewEntry = jikan.ReviewEntry
 
-type AnimeService interface {
+type AnimeCatalogService interface {
 	GetCatalogSection(ctx context.Context, userID string, section string) (CatalogSectionData, error)
+}
+
+type AnimeDiscoverService interface {
 	GetDiscoverSection(ctx context.Context, userID string, section string) (DiscoverSectionData, error)
 	GetDiscoverForYou(ctx context.Context, userID string) (DiscoverSectionData, error)
 	GetAiringSchedule(ctx context.Context, userID string) ([]Anime, error)
-	GetAnimeByID(ctx context.Context, id int) (Anime, error)
+}
+
+type AnimeSearchService interface {
 	SearchAdvanced(ctx context.Context, q, animeType, status, orderBy, sort string, genres []int, studioID int, sfw bool, page, limit int) (jikan.SearchResult, error)
 	GetProducerNameByID(ctx context.Context, id int) (string, error)
 	GetProducers(ctx context.Context, query string, page int, limit int) (jikan.ProducerListResult, error)
 	GetGenres(ctx context.Context) ([]Genre, error)
+}
+
+type AnimeDetailsService interface {
+	GetAnimeByID(ctx context.Context, id int) (Anime, error)
 	GetCharacters(ctx context.Context, id int) ([]Character, error)
 	GetRecommendations(ctx context.Context, id int) ([]Recommendation, error)
 	GetRelations(ctx context.Context, id int) ([]jikan.RelationEntry, error)
@@ -40,6 +49,11 @@ type AnimeService interface {
 	GetReviews(ctx context.Context, id int, page int) ([]ReviewEntry, bool, error)
 }
 
+type AnimePlaybackService interface {
+	GetAnimeByID(ctx context.Context, id int) (Anime, error)
+	GetAllEpisodes(ctx context.Context, id int) ([]EpisodeData, error)
+}
+
 type CatalogSectionData struct {
 	Animes           []Anime
 	ContinueWatching []db.GetContinueWatchingEntriesRow